Instructions
Press the "Start" menu at the bottom left corner of the screen.
Select "Control Panel."
Choose "Add or Remove Programs."
Wait for the pop-up list to be populated with all the programs installed on your hard drive.
Scroll through the programs until you find the Saitek P990 Gamepad controller.
Select it and press "Remove."
Follow the uninstall directions. It should be uninstalled in a matter of seconds.